again, president obama up to date overnight, and this morning on what's going on there in boston. in newtown. he will continue to monitor the events there. >> all right, thank you very much, brianna keilar at the white house for us this morning. again, president obama just here yesterday lifting the spirits of boston as part of that memorial service. very different morning as the manhunt for one of the suspects is very much under way. >> to bring you up to speed, there is a manhunt under way for one of the two suspects in the boston marathon terrorist attack. the first suspect was killed overnight in a shoot-out with police officers. it began on the campus of m.i.t. in cambridge, where a police officer has been killed, there was a carjacking and a chase ensued. one of the suspects, the one with the black hat, suspect number one, has been killed. suspect number two is on the loose in watertown, massachusetts. >> could be watertown. >> or the surrounding area. earlier john and i spoke to the doctor, and there also was a press conference at the hospital where suspect number one was t